Question

What is vibration ?​

Answer 1

Answer:

Vibration is a mechanical phenomenon.

Answer 2

When you pluck the string of a guitar, you noticethat the string starts moving back and forthr apidly making a sound. When you place your palm on the speaker of a music system playing loud music, you feel some back and forth movement. This is vibration. So, a vibration is a rapid back and forth movement of an object about its mean position. A sound is produced because of vibration.